:root {
  --bleu-nuit: #0a2a54;
  --bleu-g2c: #0d47a1;
  --bleu-vif: #1565d8;
  --bleu-clair: #eaf1fe;
  --blanc: #ffffff;
  --gris: #64748b;
  --gris-clair: #f6f8fb;
  --vert: #1e8e3e;
  --orange: #f57c00;
  --orange-vif: #ff8f1f;
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 10px rgba(10,42,84,0.06);
  --shadow-md: 0 10px 30px rgba(10,42,84,0.12);
  --shadow-lg: 0 20px 50px rgba(10,42,84,0.18);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
  color: #1c2733;
  background: var(--blanc);
  line-height: 1.65;
  -webkit-tap-highlight-color: transparent;
}
a { color: var(--bleu-g2c); text-decoration: none; transition: color 0.25s var(--ease); }
a:hover { color: var(--bleu-vif); }
img { max-width: 100%; display: block; }
h1, h2, h3 { color: var(--bleu-nuit); line-height: 1.25; letter-spacing: -0.01em; }
::selection { background: var(--bleu-g2c); color: #fff; }

/* ---------- Header ---------- */
.site-header {
  background: rgba(10, 42, 84, 0.97);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s var(--ease), padding 0.3s var(--ease);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.logo { display: flex; align-items: center; gap: 0.7rem; color: var(--blanc); }
.logo:hover { text-decoration: none; }
.logo-g2c {
  background: var(--blanc);
  color: var(--bleu-nuit);
  font-weight: 800;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  transition: transform 0.3s var(--ease);
}
.logo:hover .logo-g2c { transform: rotate(-4deg) scale(1.05); }
.logo-full { font-size: 0.9rem; font-weight: 600; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--blanc);
  font-size: 1.6rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.6rem;
  transition: background 0.25s var(--ease);
}
.nav-toggle:active { background: rgba(255,255,255,0.15); }
.main-nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}
.main-nav a, .main-nav span {
  color: var(--blanc);
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  position: relative;
  padding-bottom: 4px;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--orange-vif);
  border-radius: var(--radius-pill);
  transition: width 0.3s var(--ease);
}
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.main-nav a:hover, .main-nav span:hover { text-decoration: none; color: #cfe0ff; }
.btn-nav {
  background: var(--orange);
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-pill);
  color: var(--blanc) !important;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.btn-nav::after { display: none; }
.btn-nav:hover { background: var(--orange-vif); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245,124,0,0.35); }
.btn-nav:active { transform: translateY(0); }
.dropdown { position: relative; }
.dropdown-content {
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  position: absolute;
  top: 130%;
  left: 0;
  background: var(--blanc);
  min-width: 230px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 0.6rem 0;
  z-index: 200;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
}
.dropdown-content a {
  display: block;
  padding: 0.6rem 1.1rem;
  color: var(--bleu-nuit) !important;
  font-size: 0.9rem;
}
.dropdown-content a::after { display: none; }
.dropdown-content a:hover { background: var(--bleu-clair); text-decoration: none; padding-left: 1.3rem; }
.dropdown:hover .dropdown-content, .dropdown:focus-within .dropdown-content {
  opacity: 1; visibility: visible; transform: translateY(0);
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--bleu-nuit), var(--bleu-vif));
  color: var(--blanc);
  padding: 5rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.08), transparent 70%);
  top: -200px; right: -150px;
  border-radius: 50%;
}
.hero h1 { color: var(--blanc); font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 0.7rem; position: relative; }
.hero p.slogan { font-size: 1.2rem; font-style: italic; color: #cfe0ff; margin-bottom: 1.8rem; position: relative; }
.hero .cta-group { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; position: relative; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.7rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-size: 0.95rem;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
  position: relative;
  overflow: hidden;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--orange); color: var(--blanc); box-shadow: 0 8px 20px rgba(245,124,0,0.25); }
.btn-primary:hover { background: var(--orange-vif); transform: translateY(-3px); box-shadow: 0 14px 30px rgba(245,124,0,0.4); text-decoration: none; color: #fff; }
.btn-outline { background: transparent; border: 2px solid var(--blanc); color: var(--blanc); }
.btn-outline:hover { background: var(--blanc); color: var(--bleu-nuit); transform: translateY(-3px); text-decoration: none; }

/* effet "ripple" au tap (ajouté en JS) */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  transform: scale(0);
  animation: ripple-anim 0.6s var(--ease);
  pointer-events: none;
}
@keyframes ripple-anim { to { transform: scale(3); opacity: 0; } }

/* ---------- Sections ---------- */
.container { max-width: 1100px; margin: 0 auto; padding: 4rem 1.5rem; }
.section-alt { background: var(--gris-clair); border-radius: var(--radius-lg); }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.card {
  background: var(--blanc);
  border: 1px solid #eef1f6;
  border-radius: var(--radius);
  padding: 1.7rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: transparent; }
.card h3 { margin-top: 0; color: var(--bleu-g2c); }
.tag {
  display: inline-block;
  background: var(--bleu-clair);
  color: var(--bleu-g2c);
  padding: 0.25rem 0.8rem;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
  margin: 0.2rem 0.2rem 0 0;
  transition: transform 0.2s var(--ease);
}
.tag:hover { transform: scale(1.05); }
.tag-vert { background: #e6f4ea; color: var(--vert); }
.tag-orange { background: #fff3e0; color: var(--orange); }

/* apparition douce au scroll */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- Tableau coopératives ---------- */
.filters { display: flex; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.filters select, .filters input {
  padding: 0.6rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid #d8dfe9;
  font-size: 0.9rem;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.filters select:focus, .filters input:focus { outline: none; border-color: var(--bleu-g2c); box-shadow: 0 0 0 4px var(--bleu-clair); }
table.coop-table { width: 100%; border-collapse: separate; border-spacing: 0; margin-top: 1rem; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
table.coop-table th, table.coop-table td {
  padding: 0.8rem 1rem;
  text-align: left;
  font-size: 0.9rem;
}
table.coop-table th { background: var(--bleu-nuit); color: var(--blanc); }
table.coop-table tbody tr { transition: background 0.2s var(--ease); }
table.coop-table tbody tr:nth-child(even) { background: var(--gris-clair); }
table.coop-table tbody tr:hover { background: var(--bleu-clair); }

/* ---------- FAQ ---------- */
.faq-search input {
  width: 100%;
  padding: 1rem 1.3rem;
  border-radius: var(--radius-pill);
  border: 1px solid #d8dfe9;
  font-size: 1rem;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.faq-search input:focus { outline: none; border-color: var(--bleu-g2c); box-shadow: 0 0 0 4px var(--bleu-clair); }
.faq-item {
  border-bottom: 1px solid #eef1f6;
  padding: 1.3rem 0;
  transition: padding-left 0.3s var(--ease);
}
.faq-item:hover { padding-left: 0.6rem; }
.faq-item h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.faq-cat { font-size: 0.75rem; color: var(--gris); text-transform: uppercase; letter-spacing: 0.06em; }

/* ---------- Feed façon TikTok ---------- */
.feed-container {
  max-width: 480px;
  margin: 0 auto;
  height: calc(100vh - 140px);
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  border-radius: var(--radius-lg);
  background: #000;
  box-shadow: var(--shadow-lg);
}
.feed-slide {
  height: calc(100vh - 140px);
  scroll-snap-align: start;
  position: relative;
  display: flex;
  align-items: flex-end;
  background: #111;
  opacity: 0;
  animation: fade-in 0.6s var(--ease) forwards;
}
@keyframes fade-in { to { opacity: 1; } }
.feed-slide img, .feed-slide video {
  width: 100%; height: 100%; object-fit: cover;
  position: absolute; top: 0; left: 0;
}
.feed-caption {
  position: relative; z-index: 2; color: var(--blanc);
  padding: 1.4rem; width: 100%;
  background: linear-gradient(transparent, rgba(0,0,0,0.88));
}
.feed-caption h3 { color: var(--blanc); margin: 0 0 0.3rem; }
.feed-caption .meta { font-size: 0.8rem; opacity: 0.85; }
.feed-empty { color: var(--blanc); text-align: center; padding: 3rem 1rem; }

/* ---------- Galerie ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.1rem; margin-top: 2rem; }
.gallery-item { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 1/1; box-shadow: var(--shadow-sm); transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease); }
.gallery-item:hover { transform: scale(1.03); box-shadow: var(--shadow-md); }
.gallery-item img, .gallery-item video { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s var(--ease); }
.gallery-item:hover img, .gallery-item:hover video { transform: scale(1.08); }
.gallery-item .caption { position: absolute; bottom: 0; left: 0; right: 0; background: rgba(0,0,0,0.62); color: #fff; font-size: 0.8rem; padding: 0.5rem 0.7rem; }

/* ---------- Formulaires ---------- */
.form-group { margin-bottom: 1.3rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: 0.4rem; font-size: 0.9rem; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 0.8rem 1rem;
  border: 1px solid #d8dfe9; border-radius: var(--radius);
  font-size: 0.95rem; font-family: inherit;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--bleu-g2c); box-shadow: 0 0 0 4px var(--bleu-clair);
}
.alert { padding: 1rem 1.3rem; border-radius: var(--radius); margin-bottom: 1.5rem; animation: fade-in 0.4s var(--ease); }
.alert-success { background: #e6f4ea; color: var(--vert); }
.alert-error { background: #fdecea; color: #c62828; }

/* ---------- Footer ---------- */
.site-footer { background: var(--bleu-nuit); color: #d7e3f7; margin-top: 4rem; }
.footer-inner { max-width: 1100px; margin: 0 auto; padding: 3.5rem 1.5rem; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2rem; }
.footer-col h4 { color: var(--blanc); margin-bottom: 0.9rem; }
.footer-col a { display: block; color: #d7e3f7; margin-bottom: 0.45rem; font-size: 0.9rem; transition: transform 0.2s var(--ease), color 0.2s var(--ease); }
.footer-col a:hover { color: var(--orange-vif); transform: translateX(4px); }
.footer-bottom { text-align: center; padding: 1.3rem; font-size: 0.8rem; border-top: 1px solid rgba(255,255,255,0.12); }

/* ---------- Admin ---------- */
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar { width: 240px; background: var(--bleu-nuit); color: var(--blanc); padding: 1.6rem; flex-shrink: 0; }
.admin-sidebar a { display: block; color: #d7e3f7; padding: 0.65rem 0.8rem; border-radius: var(--radius-sm); transition: background 0.25s var(--ease), padding-left 0.25s var(--ease); }
.admin-sidebar a:hover { background: rgba(255,255,255,0.08); padding-left: 1.1rem; text-decoration: none; }
.admin-main { flex: 1; padding: 2.2rem; background: var(--gris-clair); }
.admin-login-box { max-width: 400px; margin: 8rem auto; padding: 2.8rem; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.event-admin-list { display: grid; gap: 1rem; margin-top: 1.6rem; }
.event-admin-card { display: flex; gap: 1rem; background: var(--blanc); border-radius: var(--radius); padding: 1.1rem; box-shadow: var(--shadow-sm); align-items: center; transition: box-shadow 0.3s var(--ease); }
.event-admin-card:hover { box-shadow: var(--shadow-md); }
.event-admin-card .thumb { width: 90px; height: 90px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; background: #000; }
.event-admin-card .thumb img, .event-admin-card .thumb video { width: 100%; height: 100%; object-fit: cover; }
.event-admin-card .info { flex: 1; }
.event-admin-card .actions { display: flex; gap: 0.5rem; }
.btn-sm { padding: 0.45rem 0.9rem; font-size: 0.8rem; border-radius: var(--radius-pill); transition: transform 0.2s var(--ease); cursor: pointer; border: none; }
.btn-sm:hover { transform: translateY(-2px); }
.btn-danger { background: #fdecea; color: #c62828; }
.btn-neutral { background: #eef2f7; color: var(--bleu-nuit); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .main-nav {
    max-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    background: var(--bleu-nuit);
    border-radius: 0 0 var(--radius) var(--radius);
    transition: max-height 0.4s var(--ease);
  }
  .main-nav.open { max-height: 600px; padding: 1rem 0; }
  .dropdown-content { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; display: none; }
  .dropdown.open .dropdown-content { display: block; }
  .admin-shell { flex-direction: column; }
  .admin-sidebar { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Sélecteur de langue ---------- */
.lang-switch { display: flex; align-items: center; gap: 0.4rem; margin-left: 0.5rem; }
.lang-switch a {
  color: #cfe0ff; font-size: 0.82rem; font-weight: 700;
  padding: 0.25rem 0.5rem; border-radius: var(--radius-pill);
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}
.lang-switch a::after { display: none; }
.lang-switch a:hover { background: rgba(255,255,255,0.15); text-decoration: none; }
.lang-switch a.lang-active { background: var(--orange); color: #fff; }
.lang-switch span { color: rgba(255,255,255,0.4); font-size: 0.8rem; }